ENCYCLOPEDIA: THINGS / GREEN KRYPTONITE
Action Comics 339, Jul 1966
Adventure Comics 348, Sep 1966
Adventure Comics 349, Oct 1966
Superman 191, Nov 1966
World's Finest Comics 162, Nov 1966
World's Finest Comics 163, Dec 1966
Action Comics 339, Jul 1966
Adventure Comics 348, Sep 1966
Adventure Comics 349, Oct 1966
Superman 191, Nov 1966
World's Finest Comics 162, Nov 1966
World's Finest Comics 163, Dec 1966